However, Theophilus (Roger of Helmarshausen?) clearly gives instructions for oil-based painting in his treatise, On Various Arts, written in 1125.
Roger Moore | Roger Corman | Roger Federer | Roger Daltrey | Who Framed Roger Rabbit | Roger Waters | Roger Maris | Roger McGuinn | Beaumont-le-Roger | Roger Zelazny | Roger Ebert | Roger Clemens | Roger Smith | Roger Miller | Roger Tory Peterson | Roger Vadim | Roger Sanchez | Roger Blench | Roger Williams | Roger & Me | Roger Taylor | Roger Staubach | Roger Heim | Roger Goodell | Roger Douglas | Roger Williams (theologian) | Roger Sherman | Roger Mayweather | Roger Lancelyn Green | Roger B. Taney |